In today's image, we see the double star Albiero AB. A double star is two stars that happen to appear close together in the sky but are not physically related to each other. In addition, we see the spectrum of each star showing the different colors and therefore the temperatures of each star.
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This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day. You can use the archive link below the image to select the photo corresponding to the date of this podcast.
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